1993 Subaru Justy BaseFACTORY OEM SERVICE PROCEDURE

Trouble Code Definition

TROUBLE CODE IDENTIFICATION

Code Circuit Affected Probable Cause
11  Crank Angle Sensor No Reference Signal
12  Starter Switch Open/Short Circuit
13  TDC Sensor No Reference Signal
14  Injector No. 1 Inoperative Injector
15  Injector No. 2 Inoperative Injector
16  Injector No. 3 Inoperative Injector
21  Coolant Temperature Sensor Open/Short Circuit
23  Pressure Sensor Open/Short Circuit
24  ISC Solenoid Valve Open/Short Circuit
26  Air Temperature Sensor Open/Short Circuit
32  Oxygen (O2) Sensor Inoperative O2 Sensor
33  Vehicle Speed Sensor No Reference Signal
35  Purge Control Solenoid Valve Open/Short Circuit
36  Ignitor Circuit Open/Short Circuit
41  Air/Fuel Ratio Control System Faulty Learning Control Function
42  Idle Switch Open/Short Circuit
43  Throttle Switch Open/Short Circuit
45  Atmospheric Pressure Sensor No Signal
52  (1) Clutch Switch Open/Short Circuit
52  (2) Clutch Switch Open/Short Circuit
62  Electric Load Signal Open/Short Circuit
63  Blower Fan Switch Open/Short Circuit
65  Vacuum Pressure Sensor Abnormal Signal
(1) FWD manual transmission models only.
(2) Electronic controlled variable speed transmission (ECVT) models only.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.